Mastering the Number Line

A number line shows only 100 and 900. A point is marked halfway between. What number could that be?

If someone places 360 too close to 500, what mistake do you think they made?

Which number is closer to 1000?

• A. 920

• B. 890

• C. Both are equally close

• D. I'm not sure

Between 432 and 786, which one will be placed farther to the right on a number line?

Explain why 205 comes before 250 on a number line.

A number line shows these marks: 400, 500, 600. Where would you place the number 450?

True or False: 702 is always to the left of 720 on any number line.

• True

• False

True or False: Numbers with the same hundreds digit are always close together on the number line.

• True

• False

A dot appears between 250 and 300. What numbers could it represent? Give 3 possible answers.

A number is between 699 and 701. What number could it be? Is there only one correct answer?